Elementary astronomy; a beginner's text-book (1899)
Holden, Edward Singleton, 1846-1914 · New York, H. Holt and company · leaf 358
ellipticity of the disk. The mass of theplanet is only 95 times the mass of the Earth, though itsvolume is 760 times greater. The force of gravity at itssurface is only a little greater than that of the Earth. Itis remarkable for its small density, which is less than thatof any other heavenly body,… … Fig. 185.—View of the Saturnian System in a Small Tele-scope. Saturn is the centre of a system of its own, in appearancequite unlike anything else in the heavens. Its most note-worthy feature is a pair of rings which surround it at aconsiderable distance from the planet itself. Outside ofthese…
Astronomy
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